/*
 * Copyright 1999-2101 Alibaba Group.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.alibaba.fastjson.parser;

/**
 * 
 * @author wenshao<szujobs@hotmail.com>
 * 
 */
public enum Feature {
	/**
	 * 
	 */
	AutoCloseSource,
	/**
	 * 
	 */
	AllowComment,
	/**
	 * 
	 */
	AllowUnQuotedFieldNames,
	/**
	 * 
	 */
	AllowSingleQuotes,
	/**
	 * 
	 */
	InternFieldNames,
	/**
	 * 
	 */
	AllowISO8601DateFormat,
	
	AllowArbitraryCommas,
	
	UseBigDecimal
	;

	private Feature() {
		mask = (1 << ordinal());
	}

	private final int mask;

	public final int getMask() {
		return mask;
	}

	public static boolean isEnabled(int features, Feature feature) {
		return (features & feature.getMask()) != 0;
	}
	
	public static int config(int features, Feature feature, boolean state) {
		if (state) {
			features |= feature.getMask();
		} else {
			features &= ~feature.getMask();
		}
		
		return features;
	}
}
